class method
File.grpowned?
(::string | ::_ToPath | ::IO file_name) -> bool
File.grpowned?(file_name) → true or false
file.c
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static VALUE
rb_file_grpowned_p(VALUE obj, VALUE fname)
{
#ifndef _WIN32
struct stat st;
if (rb_stat(fname, &st) < 0) return Qfalse;
if (rb_group_member(st.st_gid)) return Qtrue;
#endif
return Qfalse;
}
Returns true if the named file exists and the effective group id of the calling process is the owner of the file. Returns false on Windows.
file_name can be an IO object.